{"sections":[{"heading":"Use the layer-level parameter","paragraphs":["The LDF manual documents IsGP = True for an auxiliary ground-plane layer. Define it in the relevant layer block when the physical process has multiple ground-plane layers.","IsGP also controls cropping behaviour with CropGP. Labelling a layer as a ground plane is not proof of an electrical connection between separate planes."]},{"heading":"Check boundaries and connectivity","paragraphs":["Inspect the generated planes, openings, vias and return-current paths. Review the main GPLayer and the crop/overhang settings where applicable. Keep enough surrounding geometry to avoid a boundary-dominated result and confirm with a controlled comparison."]}],"canonical_url":"https://www.sun-magnetics.com/knowledge-base/inductex-ground-planes","url":"/knowledge-base/inductex-ground-planes","known_issues":[],"search_record":{"execution":false,"relatedProducts":[],"version_tags":["InductEx 8 preview"],"text":"Define additional ground planes in a multilayer process Mark auxiliary ground-plane layers with the documented IsGP parameter and check their actual geometry and connections. InductEx 8 beta/preview How to Use the layer-level parameter The LDF manual documents IsGP = True for an auxiliary ground-plane layer. Define it in the relevant layer block when the physical process has multiple ground-plane layers. IsGP also controls cropping behaviour with CropGP. Labelling a layer as a ground plane is not proof of an electrical connection between separate planes.  Check boundaries and connectivity Inspect the generated planes, openings, vias and return-current paths. Review the main GPLayer and the crop/overhang settings where applicable. Keep enough surrounding geometry to avoid a boundary-dominated result and confirm with a controlled comparison. ","id":"inductex-ground-planes","keywords":"","kind":"How to","title":"Define additional ground planes in a multilayer process","product":"InductEx"},"version":"8 beta/preview","id":"inductex-ground-planes","related":["/knowledge-base/inductex-process-connectivity","/knowledge-base/inductex-terminal-geometry"],"downloads":[],"publication_status":"published","numerical_output":null,"provenance":{"execution_checks":[],"figure_evidence":[],"review_notes":["Support history informed this draft. Current-source guidance has been checked; a fresh walkthrough on the intended distributed release and product-owner review remain pending."],"scope":"Recorded inputs/builds only. Complete walkthrough and final-package acceptance remain separate.","verification_requirements":{"gui_method":"not-required-for-this-answer","status":"review-incomplete","illustrations":"not-required-for-this-answer","required":["technical-review","release-applicability"],"legacy_walkthrough_field":"pending retained; not evidence of a complete scenario"},"sources":[{"id":"support:SUP-010","section":"Generalised editorial finding; outcome qualification retained"},{"id":"inductex:docs/manual/ix_ldf.tex","section":"IsGP; CropGP; GPLayer; GPOverHang"}]},"title":"Define additional ground planes in a multilayer process","type":"How to","markdown_url":"/_functions/kbResource?path=markdown%2Finductex-ground-planes.md","summary":"Mark auxiliary ground-plane layers with the documented IsGP parameter and check their actual geometry and connections.","product":"InductEx"}